<template>
    <div class="login_container">
        <!-- 登录块 -->
        <div class="login_box">
            <!-- 头像 -->
            <div class="avatar_box">
                <img src="../assets/logo.png" alt/>
            </div>
            <!-- 表单区域 -->
            <el-form ref="loginFormRef" :model="loginForm" :rules="loginRules" class="login_form" label-width="0px">
                <!-- 用户名 -->
                <el-form-item prop="username">
                    <el-input v-model="loginForm.username" prefix-icon="iconfont icon-denglu"></el-input>
                </el-form-item>
                <!-- 密码 -->
                <el-form-item prop="password">
                    <el-input v-model="loginForm.password" prefix-icon="iconfont icon-mima" type="password"></el-input>
                </el-form-item>
                <!-- 按钮 -->
                <el-form-item class="btns">
                    <el-button type="primary" @click="login">提交</el-button>
                    <el-button type="info" @click="resetLoginForm()">重置</el-button>
                </el-form-item>
            </el-form>
        </div>
    </div>
</template>

<script>
    export default {
        data() {
            return {
                // 表单数据对象
                loginForm:{
                    username:"admin",
                    password:"123456"
                },
                // 验证对象
                loginRules:{
                    // 校验用户名
                    username:[
                        { required: true, message: '用户名不能为空', trigger: 'blur' },// 必填项验证
                        { min: 5, max: 12, message: '长度在 5 到 12 个字符', trigger: 'blur' }
                    ],
                    // 校验密码
                    password:[
                        { required: true, message: '密码不能为空', trigger: 'blur' },
                        { min: 6, max: 10, message: '长度在 6 到 10 个字符', trigger: 'blur' }
                    ],
                },
            };
        },
        methods: {
            // 重置表单内容
            resetLoginForm(){
                this.$refs.loginFormRef.resetFields();
            },
            // 登录方法
            login(){
                // 验证校验规则
                this.$refs.loginFormRef.validate(async valid =>{
                    if(!valid) return;
                    const {data:res} = await this.$http.post("login",this.loginForm);// 访问后台
                    if(res == "ok"){
                        this.$message.success("操作成功");
                        this.$router.push({path:"/home"});// 路由界面跳转
                    }else{
                        this.$message.error("操作失败");
                    }
                })
            },
        },
    }
</script>

<style lang="less" scoped>
//根结点样式
.login_container{
  background-color: #2b4b6b;
  height: 100%;
}
.login_box{
  width: 450px;
  height: 300px;
  background-color: #fff;
  border-radius: 3px;
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%,-50%);
  .avatar_box{
    width: 130px;
    height: 130px;
    border: 1px solid #eee;
    border-radius: 50%;
    padding: 5px;
    box-shadow: 0 0 5px #ddd;
    position: absolute;
    left: 50%;
    transform: translate(-50%,-50%);
    background-color: #0ee;
    img{
      width: 100%;
      height: 100%;
      border-radius: 50%;
      background-color: #eee;
    }
  }
}
.btns{
  display: flex;
  justify-content: flex-end;
}
.login_form{
  position: absolute;
  bottom: 0%;
  width: 100%;
  padding: 0 10px;
  box-sizing: border-box;
}
</style>